Seiko Cal. 6651 - 821

The Seiko 6651-821 represents an important milestone in Seiko's 1987 lineup. Powered by the 6651 caliber with 20j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-5dac08e8a76b]

Also known as: Rally, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

Related Models

• Seiko 7173-501
• Seiko 0743-614
• Seiko 4542-677
• Seiko 6213-568
• Seiko 6326-639
• Seiko 4482-188
• Seiko 6682-788
• Seiko 4431-678
• Seiko 7196-537
• Seiko 6323-286
• Seiko 6221-469
• Seiko 6374-339